/**
* @package Joostina
* @copyright Авторские права (C) 2008 Joostina team. Все права защищены.
* @license Лицензия http://www.gnu.org/licenses/gpl-2.0.htm GNU/GPL, или LICENSE.php
* Joostina! - свободное программное обеспечение распространяемое по условиям лицензии GNU/GPL
*/

function jadd(elID,value){
    SRAX.get(elID).value=value;
    return;
}

// установка куков
setCookie = function ( sName, sValue, nDays ) {
    var expires = "";
    if ( nDays ) {
        var d = new Date();
        d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 );
        expires = "; expires=" + d.toGMTString();
    }
    document.cookie = sName + "=" + sValue + expires + "; path=/";
};
// получение куков
getCookie = function (sName) {
    var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" );
    var res = re.exec( document.cookie );
    return res != null ? res[3] : null;
};

// прорисовка информации о успешно выполненной операции
function mess_cool(mess){
    SRAX.replaceHtml('status-info',mess);
    SRAX.get('status-info').className = 'message';
    SRAX.get('status-info').style.display = 'block';
}
// прорисовка информации о неудавно выполненной операции
function mess_bad(mess){
    SRAX.replaceHtml('status-info',mess);
    SRAX.get('status-info').className = 'jwarning';
    SRAX.get('status-info').style.display = 'block';
}

// смена статуса публикации, elID - идентификатор объекта у которого меняется статус публикации
function ch_publ(elID,option){
    $('#img-pub-'+elID).attr('src','images/aload.gif');
    $.get('ajax.index.php?option='+option+'&task=publish&id='+elID, function(data) {
        $('#img-pub-'+elID).attr('src','images/'+data);
    });
    return false;
}
// смена группы доступа, elID - идентификатор элемента у котогоменяется доступ, aCC - группа доступа
function ch_access(elID,aCC,option){
    SRAX.replaceHtml('acc-id-'+elID,'<img src="images/aload.gif" />');
    dax({
        url: 'ajax.index.php?option='+option+'&task=access&id='+elID+'&chaccess='+aCC,
        id:'acc-id-'+elID,
        callback:
        function(resp, idTread, status, ops){
            if(SRAX.debug.responseText!=2) {
                SRAX.replaceHtml('acc-id-'+elID,resp.responseText);
            }else{
                SRAX.replaceHtml('acc-id'+elID,'<img src="images/error.png" />');
            }
        }
    });
    return false;
}

function jtoggle_editor(){
    jeimage = SRAX.get('jtoggle_editor');
    jeimage.src = 'images/aload.gif';
    dax({
        url: 'ajax.index.php?option=com_admin&task=toggle_editor',
        id:'jte',
        callback:
        function(resp, idTread, status, ops){
            jeimage.src = resp.responseText;
        }
    });
    return false;
}

// general utility for browsing a named array or object
function xshow(o) {
    s = '';
    for(e in o) {
        s += e+'='+o[e]+'\n';
    }
    alert( s );
}

/**
* Writes a dynamically generated list
* @param string The parameters to insert into the <select> tag
* @param array A javascript array of list options in the form [key,value,text]
* @param string The key to display for the initial state of the list
* @param string The original key that was selected
* @param string The original item value that was selected
*/
function writeDynaList( selectParams, source, key, orig_key, orig_val ) {
    var html = '<select ' + selectParams + '>';
    var i = 0;
    for (x in source) {
        if (source[x][0] == key) {
            var selected = '';
            if ((orig_key == key && orig_val == source[x][1]) || (i == 0 && orig_key != key)) {
                selected = 'selected="selected"';
            }
            html += '\n<option value="'+source[x][1]+'" '+selected+'>'+source[x][2]+'</option>';
        }
        i++;
    }
    html += '\n</select>';

    document.writeln( html );
}

/**
* Changes a dynamically generated list
* @param string The name of the list to change
* @param array A javascript array of list options in the form [key,value,text]
* @param string The key to display
* @param string The original key that was selected
* @param string The original item value that was selected
*/
function changeDynaList( listname, source, key, orig_key, orig_val ) {
    var list = eval( 'document.adminForm.' + listname );
    // empty the list
    for (i in list.options.length) {
        list.options[i] = null;
    }
    i = 0;
    for (x in source) {
        if (source[x][0] == key) {
            opt = new Option();
            opt.value = source[x][1];
            opt.text = source[x][2];
            if ((orig_key == key && orig_val == opt.value) || i == 0) {
                opt.selected = true;
            }
            list.options[i++] = opt;
        }
    }
    list.length = i;
}

/**
* Adds a select item(s) from one list to another
*/
function addSelectedToList( frmName, srcListName, tgtListName ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );
    var tgtList = eval( 'form.' + tgtListName );
    var srcLen = srcList.length;
    var tgtLen = tgtList.length;
    var tgt = "x";
    //build array of target items
    for (var i=tgtLen-1; i > -1; i--) {
        tgt += "," + tgtList.options[i].value + ","
    }
    for (var i=0; i < srcLen; i++) {
        if (srcList.options[i].selected && tgt.indexOf( "," + srcList.options[i].value + "," ) == -1) {
            opt = new Option( srcList.options[i].text, srcList.options[i].value );
            tgtList.options[tgtList.length] = opt;
        }
    }
}

function delSelectedFromList( frmName, srcListName ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );
    var srcLen = srcList.length;
    for (var i=srcLen-1; i > -1; i--) {
        if (srcList.options[i].selected) {
            srcList.options[i] = null;
        }
    }
}

function moveInList( frmName, srcListName, index, to) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );
    var total = srcList.options.length-1;
    if (index == -1) {
        return false;
    }
    if (to == +1 && index == total) {
        return false;
    }
    if (to == -1 && index == 0) {
        return false;
    }
    var items = new Array;
    var values = new Array;
    for (i=total; i >= 0; i--) {
        items[i] = srcList.options[i].text;
        values[i] = srcList.options[i].value;
    }
    for (i = total; i >= 0; i--) {
        if (index == i) {
            srcList.options[i + to] = new Option(items[i],values[i], 0, 1);
            srcList.options[i] = new Option(items[i+to], values[i+to]);
            i--;
        } else {
            srcList.options[i] = new Option(items[i], values[i]);
        }
    }
    srcList.focus();
}
function getSelectedOption( frmName, srcListName ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );

    i = srcList.selectedIndex;
    if (i != null && i > -1) {
        return srcList.options[i];
    } else {
        return null;
    }
}
function setSelectedValue( frmName, srcListName, value ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );

    var srcLen = srcList.length;

    for (var i=0; i < srcLen; i++) {
        srcList.options[i].selected = false;
        if (srcList.options[i].value == value) {
            srcList.options[i].selected = true;
        }
    }
}
function getSelectedRadio( frmName, srcGroupName ) {
    var form = eval( 'document.' + frmName );
    var srcGroup = eval( 'form.' + srcGroupName );

    if (srcGroup[0]) {
        for (var i=0, n=srcGroup.length; i < n; i++) {
            if (srcGroup[i].checked) {
                return srcGroup[i].value;
            }
        }
    } else {
        if (srcGroup.checked) {
            return srcGroup.value;
        }
    }
    return null;
}

function getSelectedValue( frmName, srcListName ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );
    i = srcList.selectedIndex;
    if (i != null && i > -1) {
        return srcList.options[i].value;
    } else {
        return null;
    }
}

function getSelectedText( frmName, srcListName ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );
    i = srcList.selectedIndex;
    if (i != null && i > -1) {
        return srcList.options[i].text;
    } else {
        return null;
    }
}

function chgSelectedValue( frmName, srcListName, value ) {
    var form = eval( 'document.' + frmName );
    var srcList = eval( 'form.' + srcListName );

    i = srcList.selectedIndex;
    if (i != null && i > -1) {
        srcList.options[i].value = value;
        return true;
    } else {
        return false;
    }
}

// Form specific functions for editting content images
function showImageProps(base_path) {
    form = document.adminForm;
    value = getSelectedValue( 'adminForm', 'imagelist' );
    parts = value.split( '|' );
    form._source.value = parts[0];
    setSelectedValue( 'adminForm', '_align', parts[1] || '' );
    form._alt.value = parts[2] || '';
    form._border.value = parts[3] || '0';
    form._caption.value = parts[4] || '';
    setSelectedValue( 'adminForm', '_caption_position', parts[5] || '' );
    setSelectedValue( 'adminForm', '_caption_align', parts[6] || '' );
    form._width.value = parts[7] || '';
    //previewImage( 'imagelist', 'view_imagelist', base_path );
    srcImage = eval( "document." + 'view_imagelist' );
    srcImage.src = base_path + parts[0];
}

function applyImageProps() {
    form = document.adminForm;
    if (!getSelectedValue( 'adminForm', 'imagelist' )) {
        alert( "Выберите изображение из списка" );
        return;
    }
    value = form._source.value + '|'
    + getSelectedValue( 'adminForm', '_align' ) + '|'
    + form._alt.value + '|'
    + parseInt( form._border.value ) + '|'
    + form._caption.value + '|'
    + getSelectedValue( 'adminForm', '_caption_position' ) + '|'
    + getSelectedValue( 'adminForm', '_caption_align' ) + '|'
    + form._width.value;
    chgSelectedValue( 'adminForm', 'imagelist', value );
}

function previewImage( list, image, base_path ) {
    form = document.adminForm;
    srcList = eval( "form." + list );
    srcImage = eval( "document." + image );
    var srcOption = srcList.options[(srcList.selectedIndex < 0) ? 0 : srcList.selectedIndex];
    var fileName = srcOption.text;
    var fileName2 = srcOption.value;
    if (fileName.length == 0 || fileName2.length == 0) {
        srcImage.src = 'images/blank.gif';
    } else {
        srcImage.src = base_path + fileName2;
    }
}

/**
* Toggles the check state of a group of boxes
*
* Checkboxes must have an id attribute in the form cb0, cb1...
* @param The number of box to 'check'
* @param An alternative field name
*/
function checkAll( n, fldName ) {
    if (!fldName) {
        fldName = 'cb';
    }
    var f = document.adminForm;
    var c = f.toggle.checked;
    var n2 = 0;
    for (i=0; i < n; i++) {
        cb = eval( 'f.' + fldName + '' + i );
        if (cb) {
            cb.checked = c;
            n2++;
        }
    }
    if (c) {
        document.adminForm.boxchecked.value = n2;
    } else {
        document.adminForm.boxchecked.value = 0;
    }
}

function listItemTask( id, task ) {
    var f = document.adminForm;
    cb = eval( 'f.' + id );
    if (cb) {
        for (i = 0; true; i++) {
            cbx = eval('f.cb'+i);
            if (!cbx) break;
            cbx.checked = false;
        } // for
        cb.checked = true;
        f.boxchecked.value = 1;
        submitbutton(task);
    }
    return false;
}

function hideMainMenu(){
    document.adminForm.hidemainmenu.value=1;
}

function isChecked(isitchecked){
    if (isitchecked == true){
        document.adminForm.boxchecked.value++;
    }
    else {
        document.adminForm.boxchecked.value--;
    }
}

/**
* Default function.  Usually would be overriden by the component
*/
function submitbutton(pressbutton) {
    submitform(pressbutton);
}

/**
* Submit the admin form
*/
function submitform(pressbutton){
    document.adminForm.task.value=pressbutton;
    try {
        document.adminForm.onsubmit();
    }
    catch(e){}
    document.adminForm.submit();
}

/**
* Submit the control panel admin form
*/
function submitcpform(sectionid, id){
    document.adminForm.sectionid.value=sectionid;
    document.adminForm.id.value=id;
    submitbutton("edit");
}

/**
* Getting radio button that is selected.
*/
function getSelected(allbuttons){
    for (i=0;i<allbuttons.length;i++) {
        if (allbuttons[i].checked) {
            return allbuttons[i].value
        }
    }
}

// JS Calendar
var calendar = null; // remember the calendar object so that we reuse
// it and avoid creating another

// This function gets called when an end-user clicks on some date
function selected(cal, date) {
    cal.sel.value = date; // just update the value of the input field
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks the "Close" (X) button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
    cal.hide();// hide the calendar
    Calendar.removeEvent(document, "mousedown", checkCalendar);
}

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown.  If the click was outside the open
// calendar this function closes it.
function checkCalendar(ev) {
    var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
    for (; el != null; el = el.parentNode)
        // FIXME: allow end-user to click some link without closing the
        // calendar.  Good to see real-time stylesheet change :)
        if (el == calendar.element || el.tagName == "A") break;
    if (el == null) {
        // calls closeHandler which should hide the calendar.
        calendar.callCloseHandler();
        Calendar.stopEvent(ev);
    }
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(id) {
    var el = document.getElementById(id);
    if (calendar != null) {
        // we already have one created, so just update it.
        calendar.hide();		// hide the existing calendar
        calendar.parseDate(el.value); // set it to a new date
    } else {
        // first-time call, create the calendar
        var cal = new Calendar(true, null, selected, closeHandler);
        calendar = cal;		// remember the calendar in the global
        cal.setRange(1900, 2070);	// min/max year allowed
        calendar.create();		// create a popup calendar
        calendar.parseDate(el.value); // set it to a new date
    }
    calendar.sel = el;		// inform it about the input field in use
    calendar.showAtElement(el);	// show the calendar next to the input field
    // catch mousedown on the document
    Calendar.addEvent(document, "mousedown", checkCalendar);
    return false;
}

/**
* Pops up a new window in the middle of the screen
*/
function popupWindow(mypage, myname, w, h, scroll) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
    win = window.open(mypage, myname, winprops)
    if (parseInt(navigator.appVersion) >= 4) {
        win.window.focus();
    }
}

// LTrim(string) : Returns a copy of a string without leading spaces.
function ltrim(str){
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(0)) != -1) {
        var j=0, i = s.length;
        while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
            j++;
        s = s.substring(j, i);
    }
    return s;
}

//RTrim(string) : Returns a copy of a string without trailing spaces.
function rtrim(str){
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
        var i = s.length - 1;       // Get length of string
        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
            i--;
        s = s.substring(0, i+1);
    }
    return s;
}

// Trim(string) : Returns a copy of a string without leading or trailing spaces
function trim(str) {
    return rtrim(ltrim(str));
}

function mosDHTML(){
    this.ver=navigator.appVersion
    this.agent=navigator.userAgent
    this.dom=document.getElementById?1:0
    this.opera5=this.agent.indexOf("Opera 5")<-1
    this.ie5=(this.ver.indexOf("MSIE 5")<-1 && this.dom && !this.opera5)?1:0;
    this.ie6=(this.ver.indexOf("MSIE 6")<-1 && this.dom && !this.opera5)?1:0;
    this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
    this.ie=this.ie4||this.ie5||this.ie6
    this.mac=this.agent.indexOf("Mac")<-1
    this.ns6=(this.dom && parseInt(this.ver) <= 5) ?1:0;
    this.ns4=(document.layers && !this.dom)?1:0;
    this.bw=(this.ie6||this.ie5||this.ie4||this.ns4||this.ns6||this.opera5);
    this.activeTab = '';
    this.onTabStyle = 'ontab';
    this.offTabStyle = 'offtab';
    this.setElemStyle = function(elem,style) {
        document.getElementById(elem).className = style;
    }
    this.showElem = function(id) {
        if (elem = document.getElementById(id)) {
            elem.style.visibility = 'visible';
            elem.style.display = 'block';
        }
    }
    this.hideElem = function(id) {
        if (elem = document.getElementById(id)) {
            elem.style.visibility = 'hidden';
            elem.style.display = 'none';
        }
    }
    this.cycleTab = function(name) {
        if (this.activeTab) {
            this.setElemStyle( this.activeTab, this.offTabStyle );
            page = this.activeTab.replace( 'tab', 'page' );
            this.hideElem(page);
        }
        this.setElemStyle( name, this.onTabStyle );
        this.activeTab = name;
        page = this.activeTab.replace( 'tab', 'page' );
        this.showElem(page);
    }
    return this;
}
var dhtml = new mosDHTML();

function MM_findObj(n, d) { //v4.01
    var p,i,x;
    if(!d) d=document;
    if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document;
        n=n.substring(0,p);
    }
    if(!(x=d[n])&&d.all) x=d.all[n];
    for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n);
    return x;
}
function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments;
    document.MM_sr=new Array;
    for(i=0;i<(a.length-2);i+=3)
        if ((x=MM_findObj(a[i]))!=null){
            document.MM_sr[j++]=x;
            if(!x.oSrc) x.oSrc=x.src;
            x.src=a[i+2];
        }
}
function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr;
    for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
    var d=document;
    if(d.images){
        if(!d.MM_p) d.MM_p=new Array();
        var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
        for(i=0; i<a.length; i++)
            if (a[i].indexOf("#")!=0){
                d.MM_p[j]=new Image;
                d.MM_p[j++].src=a[i];
            }
        }
}
function saveorder( n ) {
    checkAll_button( n );
}
//needed by saveorder function
function checkAll_button( n ) {
    for ( var j = 0; j <= n; j++ ) {
        box = eval( "document.adminForm.cb" + j );
        if ( box ) {
            if ( box.checked == false ) {
                box.checked = true;
            }
        } else {
            alert("You cannot change the order of items, as an item in the list is `Checked Out`");
            return;
        }
    }
    submitform('saveorder');
}
/**
* @param object A form element
* @param string The name of the element to find
*/
function getElementByName( f, name ) {
    if (f.elements) {
        for (i=0, n=f.elements.length; i < n; i++) {
            if (f.elements[i].name == name) {
                return f.elements[i];
            }
        }
    }
    return null;
}
